Which of the Following Is True

question 223

Multiple Choice

Which of the following is true?

• A) Muscle fatigue has no influence on the force of contractions.
• B) A threshold stimulus will cause contraction of a muscle fiber.
• C) A subthreshold stimulus causes a muscle contraction.
• D) Motor units do not obey the "all or none" law.
• E) A threshold stimulus will not affect motor units.

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